diff --git a/src/aof.c b/src/aof.c
index 90b67fd9..63bde53c 100644
--- a/src/aof.c
+++ b/src/aof.c
@@ -1038,6 +1038,7 @@ int rewriteAppendOnlyFile(char *filename) {
             }
         }
         dictReleaseIterator(di);
+        di = NULL;
     }
 
     /* Make sure data will not remain on the OS's output buffers */